TRANS-LUX

SCREENS UPON WHICH PICTURES MAY BE PROJECTED AND SHOWN IN DAYLIGHT; MACHINES FOR PROJECTION FROM TRANSPARENT MEDIA UPON A SCREEN; REAR PROJECTION SCREENS; OPTICAL PROJECTION EQUIPMENT-NAMELY, STEREOPTICONS, STEREOPTICON SLIDES, LENSES, LENS HOLDERS AND LENS MOUNTS, MOVING PICTURE FILM, SOUND FILM, COMBINED PICTURE AND SOUND FILM; MOVING PICTURE PROJECTION APPARATUS AND PARTS THEREOF-NAMELY, FILM TRAP ASSEMBLIES, FILM FEEDING AND/OR GUIDING DEVICES, FILM MAGAZINES, MISCELLANEOUS EQUIPMENT FOR PROJECTION APPARATUS; PROJECTOR CABINETS; SCREEN FRAMES; SCREEN CABINETS; SOUND REPRODUCING EQUIPMENT; AMPLIFIERS; LOUD SPEAKER UNITS; SYNCHRONOUS SOUND-PICTURE REPRODUCING EQUIPMENT; STOCK TICKER PROJECTORS FOR THE RECORDING OF STOCK QUOTATIONS ON FILM AND THE PROJECTION THEREOF UPON A SCREEN; MACHINES FOR PROJECTION FROM OPAQUE MEDIA UPON A SCREEN; VIEWERS FOR CLOSED-CIRCUIT TELEVISION; EQUIPMENT FOR THE PROJECTION OF AN IMAGE OF STOCK STICKER TAPE AND FOR THE TRANSMISSION AND RECEPTION OF THE IMAGE VIA ELECTRONIC MEANS; ELECTRONIC DISPLAY AND READ-OUT DEVICES; AND DISPLAY TAPES